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  <TITLE>-so (write data to stdout) switch</TITLE>
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<H1>-so (write data to stdout) switch</H1>

<P>Causes 7-Zip to write output data to stdout (standard output stream).</P> 

<H4>Syntax</H4>

<PRE class="syntax">
-so
</PRE>

<P>If the -so switch is used with the command that creates archive, it works only 
with some archive formats: xz, gzip, bzip2 and tar.</P>


<H4>Examples</H4>

<PRE class="example">
7z x archive.gz -so > Doc.txt
</PRE>

<P>decompresses <SPAN class="filename">archive.gz</SPAN> 
archive to output stream and then redirects that stream to
<SPAN class="filename">Doc.txt</SPAN> file.</P>


<PRE class="example">
7z a dummy -tgzip -so Doc.txt > archive.gz
</PRE>

<P>compresses the <SPAN class="filename">Doc.txt</SPAN> file to the 7-Zip standard
output stream and writes that stream to 
<SPAN class="filename">archive.gz</SPAN> file.</P>

<H4>Commands that can be used with this switch</H4>

<P>
  <A href="../commands/add.htm">a (Add)</A>,
  <A href="../commands/extract.htm">e (Extract)</A>,
  <A href="../commands/update.htm">u (Update)</A>,
  <A href="../commands/extract_full.htm">x (Extract with full paths)</A>
</P>

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